There's nothing new whatsoever about high-demand phones becoming available for preorder, but it's not every day that you get a discount for being the first kid on the block to get one. As if there's any concern about pushing inventory of the Samsung Epic 4G Touch -- Sprint's variant of the Galaxy S II -- Wirefly is making the phone even more enticing by slashing $50 off the cost, bringing it down to $150 when signing up for a two-year agreement. Doing the math a different way, lighter on
